Jar sealer



FIG. 1 is a front perspective view of jar sealer, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are shown for the purpose of illustrating parts of the article that form no part of the claimed design. 

CLAIM The ornamental design for jar sealer, substantially as shown and described. 